%0 Journal Article %A P. N. Vabishchevich %T Two-layer schemes of improved order of approximation for nonstationary problems in mathematical physics %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2010 %P 118-130 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_1_a9/ %G ru %F ZVMMF_2010_50_1_a9